1.China lies _______the east of Asia and _____north of Australis.
(A.to...to B.in...to C.to...in D.in...to)
2.You usually have a good time at the weekend._____you?
(A.have B.do C.haven't D don't)
3.How ____ the girls are playing?(A.happy B.happier C.unhappy D.happily)
4.There are 1,000 students in our school.(1,000 students 划线提问）
5.I have to finish this work today.(否定句)